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Sequoia 610 Chesapeake Drive Redwood City.CA 94063 (4 15) !64.9600 FAX(413)l8 MIS <br /> 1900 bete,Avenue, Suite L Concord,CA 94520 (510) 6!6.9600 FAX(540)616.%0 <br /> Analytical <br /> 519 Striker Avenue,Sulte 1 Sacrunenta.CA 958!4 (9161 921.9600 FAX(946)921.0100 <br /> Alton Geoscience Client project ID: Mobil 04 343 Sampled: ' Jan 12, 1995 <br /> 30-A Lindbergh Ave. Sample Matrix: Water Received: Jan 13, 1995 <br /> Livermore, CA 94550 Analysis Method: EPA SD30/8015/8020 Reported: Jan 23, 19955 <br /> Attentlon: Kevin Keenan First Sample #: 501-0580 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. 11.0. I.D. <br /> Ng/L 501-0580 501-0581 501-0562 501-0583 501-0584 501-0585 <br /> AW 3 AW 11 AW 1 AW 9 AW 12 AW 10 <br /> Purgeable <br /> Hydrocarbons 50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Benzene 0.50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Toluene 0.50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Ethyl Benzene 0.50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Chromatogram Pattern: -- - •- - -- <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 1.0 1.0 <br /> Date Analyzed: 1/20/95 1/20/95 1/20/95 1/20/95 1/20/95 1/20/95 <br /> Instrument Identification: HP-6 HP-5 HP-5 HP-5 HP-5 HP-5 <br /> Surrogate Recovery, %: 96 98 97 96 97 96 <br /> (QC Limits = 70-130%) <br /> Purgeabte hydrocarbons are quantitated against a trash gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> iEQUO ALYTICAL,#1271 <br /> neth KF.Lee <br /> Laboratory Director <br /> 5010574.ALT <2> <br />